Home / 106,378,631.40-159,169,815.90-70,546,823.40

Finding the Fourth Proportional to 106,378,631.40, 159,169,815.90 and 70,546,823.40

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Solution

The fourth proportional to 106,378,631.40, 159,169,815.90 and 70,546,823.40 is: 105,556,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,378,631.40 : 159,169,815.90 = 70,546,823.40 : x
  2. Step 2: Convert to fraction form
    106,378,631.40/159,169,815.90 = 70,546,823.40/x
  3. Step 3: Cross multiply
    106,378,631.40x = 159,169,815.90 × 70,546,823.40
  4. Step 4: Simplify right side
    106,378,631.40x = 11,228,924,892,907,814
  5. Step 5: Solve for x
    x = 11,228,924,892,907,814/106,378,631.40
  6. Step 6: Final answer
    x = 105,556,207.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.